7751240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 22118400

約数和(自身を除く): 14367160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 47, 56, 62, 70, 76, 94, 95, 124, 133, 140, 152, 155, 188, 190, 217, 235, 248, 266, 280, 310, 329, 376, 380, 434, 470, 532, 589, 620, 658, 665, 760, 868, 893, 940, 1064, 1085, 1178, 1240, 1316, 1330, 1457, 1645, 1736, 1786, 1880, 2170, 2356, 2632, 2660, 2914, 2945, 3290, 3572, 4123, 4340, 4465, 4712, 5320, 5828, 5890, 6251, 6580, 7144, 7285, 8246, 8680, 8930, 10199, 11656, 11780, 12502, 13160, 14570, 16492, 17860, 20398, 20615, 23560, 25004, 27683, 29140, 31255, 32984, 35720, 40796, 41230, 50008, 50995, 55366, 58280, 62510, 81592, 82460, 101990, 110732, 125020, 138415, 164920, 193781, 203980, 221464, 250040, 276830, 387562, 407960, 553660, 775124, 968905, 1107320, 1550248, 1937810, 3875620, 7751240]

約数ペア:

[(1, 7751240), (2, 3875620), (4, 1937810), (5, 1550248), (7, 1107320), (8, 968905), (10, 775124), (14, 553660), (19, 407960), (20, 387562), (28, 276830), (31, 250040), (35, 221464), (38, 203980), (40, 193781), (47, 164920), (56, 138415), (62, 125020), (70, 110732), (76, 101990), (94, 82460), (95, 81592), (124, 62510), (133, 58280), (140, 55366), (152, 50995), (155, 50008), (188, 41230), (190, 40796), (217, 35720), (235, 32984), (248, 31255), (266, 29140), (280, 27683), (310, 25004), (329, 23560), (376, 20615), (380, 20398), (434, 17860), (470, 16492), (532, 14570), (589, 13160), (620, 12502), (658, 11780), (665, 11656), (760, 10199), (868, 8930), (893, 8680), (940, 8246), (1064, 7285), (1085, 7144), (1178, 6580), (1240, 6251), (1316, 5890), (1330, 5828), (1457, 5320), (1645, 4712), (1736, 4465), (1786, 4340), (1880, 4123), (2170, 3572), (2356, 3290), (2632, 2945), (2660, 2914)]